<template>
  <div>
    <el-card class="login-form-layout">
      <el-form autoComplete="on"
               :model="loginForm"
               :rules="loginRules"
               ref="loginForm"
               label-position="left">
        <div style="text-align: center">
          <svg-icon icon-class="login-mall" style="width: 56px;height: 56px;color: #409EFF"></svg-icon>
        </div>
        <h2 class="login-title color-main">后台管理系统</h2>
        <el-form-item prop="username">
          <el-input name="username"
                    type="username"
                    v-model="loginForm.username"
                    autoComplete="on"
                    placeholder="请输入用户名">
          <span slot="prefix">
            <svg-icon icon-class="user" class="color-main"></svg-icon>
          </span>
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input name="password"
                    :type="pwdType"
                    @keyup.enter.native="handleLogin"
                    v-model="loginForm.password"
                    autoComplete="on"
                    placeholder="请输入密码">
          <span slot="prefix">
            <svg-icon icon-class="password" class="color-main"></svg-icon>
          </span>
            <span slot="suffix" @click="showPwd">
            <svg-icon icon-class="eye" class="color-main"></svg-icon>
          </span>
          </el-input>
        </el-form-item>
        <el-form-item style="margin-bottom: 60px;text-align: center">
          <el-button style="width: 45%" type="primary" :loading="loading" @click.native.prevent="handleLogin">
            登录
          </el-button>
        </el-form-item>
      </el-form>
    </el-card>
    <img :src="login_center_bg" class="login-center-layout">

  </div>
</template>

<script>
import {isvalidUsername} from '@/utils/validate';
import {setSupport, getSupport, setCookie, getCookie} from '@/utils/support';
import login_center_bg from '@/assets/images/login_center_bg.png'

export default {
  name: 'login',
  data() {
    const validateUsername = (rule, value, callback) => {
      if (!isvalidUsername(value)) {
        callback(new Error('请输入正确的用户名'))
      } else {
        callback()
      }
    };
    const validatePass = (rule, value, callback) => {
      if (value.length < 3) {
        callback(new Error('密码不能小于3位'))
      } else {
        callback()
      }
    };
    return {
      loginForm: {
        validateUsername: '',
        password: '',
      },
      loginRules: {
        email: [{required: true, trigger: 'blur', validator: validateUsername}],
        password: [{required: true, trigger: 'blur', validator: validatePass}]
      },
      loading: false,
      pwdType: 'password',
      login_center_bg,
      dialogVisible: false,
      supportDialogVisible: false
    }
  },
  created() {
    this.loginForm.username = getCookie("username");
    this.loginForm.password = getCookie("password");
    if (this.loginForm.username === undefined || this.loginForm.username == null || this.loginForm.username === '') {
      this.loginForm.username = 'admin';
    }
    if (this.loginForm.password === undefined || this.loginForm.password == null) {
      this.loginForm.password = '';
    }
  },
  methods: {
    showPwd() {
      if (this.pwdType === 'password') {
        this.pwdType = ''
      } else {
        this.pwdType = 'password'
      }
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          // let isSupport = getSupport();
          // if(isSupport===undefined||isSupport==null){
          //   this.dialogVisible =true;
          //   return;
          // }
          this.loading = true;
          this.$store.dispatch('Login', this.loginForm).then((resp) => {
            this.loading = false;

            // setCookie("adminId",this.loginForm.username,15);
            // setCookie("password",this.loginForm.password,15);

          }).catch(() => {
            this.loading = false
          }).then(() => {
            this.$router.push({path: '/home'})
          })
        } else {
          console.log('参数验证不合法！');
          return false
        }
      })
    },
    handleTry() {
      // this.dialogVisible =true
      this.$router.push({path: '/register'})
    },
    dialogConfirm() {
      this.dialogVisible = false;
      // setSupport(true);
    },
    dialogCancel() {
      this.dialogVisible = false;
      // setSupport(false);
    }
  }
}
</script>

<style scoped>
.login-form-layout {
  position: absolute;
  left: 0;
  right: 0;
  width: 540px;
  margin: 140px auto;
  border-top: 10px solid #409EFF;
}

.login-title {
  text-align: center;
}

.login-center-layout {
  background: #409EFF;
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  margin-top: 200px;
}

</style>
